Home / 1,988.52-2,743.98-1,104.12

Finding the Fourth Proportional to 1,988.52, 2,743.98 and 1,104.12

Calculator

Solution

The fourth proportional to 1,988.52, 2,743.98 and 1,104.12 is: 1,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.52 : 2,743.98 = 1,104.12 : x
  2. Step 2: Convert to fraction form
    1,988.52/2,743.98 = 1,104.12/x
  3. Step 3: Cross multiply
    1,988.52x = 2,743.98 × 1,104.12
  4. Step 4: Simplify right side
    1,988.52x = 3,029,683.20
  5. Step 5: Solve for x
    x = 3,029,683.20/1,988.52
  6. Step 6: Final answer
    x = 1,523.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.